package cn.cxyxj.inner_client.controller;

import cn.cxyxj.inner_client.utils.JWTUtil;
import cn.cxyxj.inner_client.utils.RedisUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.Map;
import java.util.UUID;

@RestController
public class HelloController {

    @Autowired
    RestTemplate restTemplate;


    /**
     * OAuth 登录回调地址
     * @param code
     * @return
     */
    @GetMapping("/codeLogin")
    public String hello(String code) {
        if (code != null) {
            MultiValueMap<String, String> map = new LinkedMultiValueMap<>();
            map.add("code", code);
            map.add("client_id", "client-a");
            map.add("client_secret", "123456");
            map.add("redirect_uri", "http://localhost:8083/codeLogin");
            map.add("grant_type", "authorization_code");
            String resp = restTemplate.postForObject("http://localhost:8091/oauth/token", map, String.class);
            JSONObject tokenResult = JSON.parseObject(resp);

            String access_token = tokenResult.getString("access_token");

            System.out.println(access_token);
            HttpHeaders headers = new HttpHeaders();
            headers.add("Authorization", "Bearer " + access_token);
            HttpEntity<Object> httpEntity = new HttpEntity<>(headers);
           // ResponseEntity<String> entity = restTemplate.exchange("http://localhost:8082/user/get-current-user", HttpMethod.GET, httpEntity, String.class);
           // String body = entity.getBody();
           // System.out.println(body);
            String token = JWTUtil.createToken("");
            // 根据用户信息生成局部 token
           // RedisUtil.set("access_token:"+"",access_token);
            RedisUtil.set("inner-client-1-token:"+token,access_token);
            return token;
        }
        return "EROOR";
    }


    @GetMapping("/inner-client-1")
    public String getclient1() {
        return "inner-client-1";
    }
    @GetMapping("/checkLogin")
    public void checkLogin(HttpServletResponse response) throws IOException {

        String checkLoginUrl ="http://localhost:8091/oauth/authorize" + "?response_type=" + "code"
                + "&client_id=client-a"
                + "&redirect_uri=" + URLEncoder.encode("http://localhost:8083/codeLogin", "UTF-8")
                + "&scope=" + "userinfo"
                + "&state=" + UUID.randomUUID();
        response.sendRedirect(checkLoginUrl);
    }

}